Quarterly report pursuant to Section 13 or 15(d)

7. Stockholders' Equity: Stock Based Compensation Expense - Stock Option (Details)

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7. Stockholders' Equity: Stock Based Compensation Expense - Stock Option (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Stock-based compensation expense   $ 65,000   $ 180,749   $ 260,000
Employee Stock Option [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Stock-based compensation expense $ 495,805   $ 154,902 611,552 $ 407,744  
Employee Stock Option [Member] | General And Administrative Expense [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Stock-based compensation expense 438,283   62,187 490,037 217,851  
Employee Stock Option [Member] | Cost Of Sales [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Stock-based compensation expense 26,152   55,617 58,097 124,097  
Employee Stock Option [Member] | Research And Development Expense [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Stock-based compensation expense $ 31,370   $ 37,098 $ 63,418 $ 65,796